Home / 3,347.12-4,617.96-1,949.60

Finding the Fourth Proportional to 3,347.12, 4,617.96 and 1,949.60

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Solution

The fourth proportional to 3,347.12, 4,617.96 and 1,949.60 is: 2,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.12 : 4,617.96 = 1,949.60 : x
  2. Step 2: Convert to fraction form
    3,347.12/4,617.96 = 1,949.60/x
  3. Step 3: Cross multiply
    3,347.12x = 4,617.96 × 1,949.60
  4. Step 4: Simplify right side
    3,347.12x = 9,003,174.82
  5. Step 5: Solve for x
    x = 9,003,174.82/3,347.12
  6. Step 6: Final answer
    x = 2,689.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.